Cloud Service Types Flashcards
(18 cards)
What is the most common association for Infrastructure as a Service (IaaS)?
Infrastructure as a Service (IaaS) is most easily thought of as managed infrastructure, which is almost always synonymous with virtual machines (VMs).
What is the primary responsibility the customer retains when using Infrastructure as a Service (IaaS)?
The primary responsibility the customer retains when using Infrastructure as a Service (IaaS) is managing their operating system, including software updates, and managing who has access to their virtual machines.
What is the key term used to define Platform as a Service (PaaS)?
The key term used to define Platform as a Service (PaaS) is “fully managed cloud solution.”
What is the main advantage of using Platform as a Service (PaaS) compared to IaaS for application developers?
The main advantage of using Platform as a Service (PaaS) compared to IaaS for application developers is that the cloud vendor handles the underlying infrastructure, freeing the developer to focus on developing solutions and applications.
Describe serverless in the context of cloud service types.
Serverless is a subset of Platform as a Service (PaaS) and is considered an extreme version where there is no resource or infrastructure management or allocation to worry about, just running code.
How is Software as a Service (SaaS) typically accessed and what type of applications are commonly offered?
Software as a Service (SaaS) applications are typically productivity applications accessed over the public internet and on various devices like mobile devices and laptops.
What is the pricing model for Software as a Service (SaaS)?
The pricing model for Software as a Service (SaaS) is typically a subscription model where you pay a set amount per month or per year, often based on the number of users.
What cloud service types form the foundation for Software as a Service (SaaS) applications?
Software as a Service (SaaS) applications are powered or built on top of Infrastructure as a Service and Platform as a Service services.
What is the fundamental principle behind the defense in depth security strategy?
The fundamental principle behind the defense in depth security strategy is to defend data with multiple layers of defense.
In the context of cloud service models, who is always responsible for physical security?
In the context of cloud service models, the cloud vendor is always responsible for handling the physical security.
What is Infrastructure as a Service (IaaS)?
A cloud service type most easily thought of as managed infrastructure, often synonymous with virtual machines.
What are Virtual Machines (VMs)?
A virtualized version of a physical computer with configurations of CPU and memory, an underlying operating system, and networking components.
What is Platform as a Service (PaaS)?
A fully managed cloud solution where the cloud vendor handles the underlying infrastructure, allowing customers to focus on developing applications.
What is Serverless?
A subset of Platform as a Service (PaaS) where there is no resource or infrastructure management or allocation required; users simply run their code.
What is Software as a Service (SaaS)?
Ready-to-go cloud-based software applications typically accessed over the public internet, with hosting and scaling managed by the vendor.
What is Defense in Depth?
A security strategy that defends data with multiple layers of defense.
Who is the Cloud Vendor?
The provider of cloud services.
Who is the Customer?
The user of cloud services.